Battle of the Frigidus: Roman emperor Theodosius I defeats and kills Eugenius the usurper. His Frankish magister militum Arbogast escapes but commits suicide two days later.
1492
Christopher Columbus sails from La Gomera in the Canary Islands, his final port of call before crossing the Atlantic Ocean for the first time.
1522
The Victoria returns to Sanlúcar de Barrameda in Spain, the only surviving ship of Ferdinand Magellan's expedition and the first known ship to circumnavigate the world.
1620
The Pilgrims sail from Plymouth, England on the Mayflower to settle in North America. (Old Style date; September 16 per New Style date.)
1628
Puritans settle Salem, which became part of Massachusetts Bay Colony.
1634
Thirty Years' War: In the Battle of Nördlingen, the Catholic Imperial army defeats Swedish and German Protestant forces.